Pool Coping Installation with no mortar joint

Question: When installing the Pool Coping, the home owner wants a very clean look and would like to know if I can just lay them in mortar tight together with no mortar joint. I am worried about it holding up. What do you think?

Answer: The pool coping can be laid on mortar. You may choose not have have a mortar joint. A very thin layer of mortar on the inside is suggested to provide stability for long term.